-54.81% is the change from 717 to 324
Calculation steps:
[( 324 - 717 ) ÷ 717] x 100 = -54.81%
Formula
Percentage change = [(324 - 717) / 717] x 100
Subtract the new number by the original number
324 - 717 = -393
-393 ÷ 717 = -0.5481171548117155
-0.5481171548117155 x 100 = -54.81%